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+/**************************************************************************/
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+/* particles_editor_plugin.cpp */
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+/**************************************************************************/
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+/* This file is part of: */
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+/* GODOT ENGINE */
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+/* https://godotengine.org */
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+/**************************************************************************/
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+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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+/* */
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+/* Permission is hereby granted, free of charge, to any person obtaining */
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+/* a copy of this software and associated documentation files (the */
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+/* "Software"), to deal in the Software without restriction, including */
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+/* without limitation the rights to use, copy, modify, merge, publish, */
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+/* distribute, sublicense, and/or sell copies of the Software, and to */
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+/* permit persons to whom the Software is furnished to do so, subject to */
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+/* the following conditions: */
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+/* */
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+/* The above copyright notice and this permission notice shall be */
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+/* included in all copies or substantial portions of the Software. */
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+/* */
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+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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+/**************************************************************************/
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+
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+#include "particles_editor_plugin.h"
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+
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+#include "canvas_item_editor_plugin.h"
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+#include "core/io/image_loader.h"
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+#include "editor/editor_node.h"
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+#include "editor/editor_settings.h"
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+#include "editor/editor_undo_redo_manager.h"
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+#include "editor/gui/editor_file_dialog.h"
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+#include "editor/scene_tree_dock.h"
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+#include "scene/2d/cpu_particles_2d.h"
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+#include "scene/2d/gpu_particles_2d.h"
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+#include "scene/3d/cpu_particles_3d.h"
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+#include "scene/3d/gpu_particles_3d.h"
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+#include "scene/3d/mesh_instance_3d.h"
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+#include "scene/gui/box_container.h"
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+#include "scene/gui/menu_button.h"
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+#include "scene/gui/separator.h"
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+#include "scene/gui/spin_box.h"
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+#include "scene/resources/image_texture.h"
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+#include "scene/resources/particle_process_material.h"
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+
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+void ParticlesEditorPlugin::_notification(int p_what) {
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+ switch (p_what) {
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+ case NOTIFICATION_ENTER_TREE: {
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+ if (handled_type.ends_with("2D")) {
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+ add_control_to_container(CONTAINER_CANVAS_EDITOR_MENU, toolbar);
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+ } else if (handled_type.ends_with("3D")) {
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+ add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU, toolbar);
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+ } else {
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+ DEV_ASSERT(false);
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+ }
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+
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+ menu->set_icon(menu->get_editor_theme_icon(handled_type));
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+ menu->set_text(handled_type);
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+
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+ PopupMenu *popup = menu->get_popup();
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+ popup->add_shortcut(ED_SHORTCUT("particles/restart_emission", TTR("Restart Emission"), KeyModifierMask::CTRL | Key::R), MENU_RESTART);
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+ _add_menu_options(popup);
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+ popup->add_item(conversion_option_name, MENU_OPTION_CONVERT);
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+ } break;
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+ }
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+}
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+
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+bool ParticlesEditorPlugin::need_show_lifetime_dialog(SpinBox *p_seconds) {
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+ // Add one second to the default generation lifetime, since the progress is updated every second.
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+ p_seconds->set_value(MAX(1.0, trunc(edited_node->get("lifetime").operator double()) + 1.0));
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+
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+ if (p_seconds->get_value() >= 11.0 + CMP_EPSILON) {
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+ // Only pop up the time dialog if the particle's lifetime is long enough to warrant shortening it.
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+ return true;
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+ } else {
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+ // Generate the visibility rect/AABB immediately.
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+ return false;
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+ }
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+}
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+
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+void ParticlesEditorPlugin::_menu_callback(int p_idx) {
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+ switch (p_idx) {
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+ case MENU_OPTION_CONVERT: {
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+ Node *converted_node = _convert_particles();
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+
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+ EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
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+ ur->create_action(conversion_option_name, UndoRedo::MERGE_DISABLE, edited_node);
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+ SceneTreeDock::get_singleton()->replace_node(edited_node, converted_node);
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+ ur->commit_action(false);
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+ } break;
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+
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+ case MENU_RESTART: {
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+ edited_node->call("restart");
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+ }
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+ }
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+}
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+
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+void ParticlesEditorPlugin::edit(Object *p_object) {
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+ edited_node = Object::cast_to<Node>(p_object);
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+}
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+
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+bool ParticlesEditorPlugin::handles(Object *p_object) const {
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+ return p_object->is_class(handled_type);
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+}
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+
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+void ParticlesEditorPlugin::make_visible(bool p_visible) {
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+ toolbar->set_visible(p_visible);
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+}
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+
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+ParticlesEditorPlugin::ParticlesEditorPlugin() {
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+ toolbar = memnew(HBoxContainer);
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+ toolbar->hide();
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+
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+ menu = memnew(MenuButton);
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+ menu->set_switch_on_hover(true);
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+ toolbar->add_child(menu);
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+ menu->get_popup()->connect(SceneStringName(id_pressed), callable_mp(this, &ParticlesEditorPlugin::_menu_callback));
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+}
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+
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+// 2D /////////////////////////////////////////////
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+
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+void GPUParticles2DEditorPlugin::_menu_callback(int p_idx) {
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+ if (p_idx == MENU_GENERATE_VISIBILITY_RECT) {
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+ if (need_show_lifetime_dialog(generate_seconds)) {
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+ generate_visibility_rect->popup_centered();
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+ } else {
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+ _generate_visibility_rect();
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+ }
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+ } else {
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+ Particles2DEditorPlugin::_menu_callback(p_idx);
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+ }
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+}
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+
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+void GPUParticles2DEditorPlugin::_add_menu_options(PopupMenu *p_menu) {
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+ Particles2DEditorPlugin::_add_menu_options(p_menu);
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+ p_menu->add_item(TTR("Generate Visibility Rect"), MENU_GENERATE_VISIBILITY_RECT);
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+}
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+
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+void Particles2DEditorPlugin::_file_selected(const String &p_file) {
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+ source_emission_file = p_file;
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+ emission_mask->popup_centered();
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+}
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+
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+void Particles2DEditorPlugin::_get_base_emission_mask(PackedVector2Array &r_valid_positions, PackedVector2Array &r_valid_normals, PackedByteArray &r_valid_colors, Vector2i &r_image_size) {
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+ Ref<Image> img;
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+ img.instantiate();
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+ Error err = ImageLoader::load_image(source_emission_file, img);
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+ ERR_FAIL_COND_MSG(err != OK, "Error loading image '" + source_emission_file + "'.");
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+
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+ if (img->is_compressed()) {
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+ img->decompress();
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+ }
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+ img->convert(Image::FORMAT_RGBA8);
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+ ERR_FAIL_COND(img->get_format() != Image::FORMAT_RGBA8);
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+ Size2i s = img->get_size();
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+ ERR_FAIL_COND(s.width == 0 || s.height == 0);
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+
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+ r_image_size = s;
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+
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+ r_valid_positions.resize(s.width * s.height);
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+
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+ EmissionMode emode = (EmissionMode)emission_mask_mode->get_selected();
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+
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+ if (emode == EMISSION_MODE_BORDER_DIRECTED) {
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+ r_valid_normals.resize(s.width * s.height);
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+ }
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+
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+ bool capture_colors = emission_colors->is_pressed();
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+
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+ if (capture_colors) {
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+ r_valid_colors.resize(s.width * s.height * 4);
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+ }
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+
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+ int vpc = 0;
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+
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+ {
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+ Vector<uint8_t> img_data = img->get_data();
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+ const uint8_t *r = img_data.ptr();
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+
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+ for (int i = 0; i < s.width; i++) {
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+ for (int j = 0; j < s.height; j++) {
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+ uint8_t a = r[(j * s.width + i) * 4 + 3];
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+
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+ if (a > 128) {
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+ if (emode == EMISSION_MODE_SOLID) {
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+ if (capture_colors) {
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+ r_valid_colors.write[vpc * 4 + 0] = r[(j * s.width + i) * 4 + 0];
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+ r_valid_colors.write[vpc * 4 + 1] = r[(j * s.width + i) * 4 + 1];
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+ r_valid_colors.write[vpc * 4 + 2] = r[(j * s.width + i) * 4 + 2];
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+ r_valid_colors.write[vpc * 4 + 3] = r[(j * s.width + i) * 4 + 3];
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+ }
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+ r_valid_positions.write[vpc++] = Point2(i, j);
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+
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+ } else {
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+ bool on_border = false;
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+ for (int x = i - 1; x <= i + 1; x++) {
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+ for (int y = j - 1; y <= j + 1; y++) {
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+ if (x < 0 || y < 0 || x >= s.width || y >= s.height || r[(y * s.width + x) * 4 + 3] <= 128) {
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+ on_border = true;
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+ break;
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+ }
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+ }
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+
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+ if (on_border) {
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+ break;
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+ }
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+ }
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+
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+ if (on_border) {
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+ r_valid_positions.write[vpc] = Point2(i, j);
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+
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+ if (emode == EMISSION_MODE_BORDER_DIRECTED) {
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+ Vector2 normal;
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+ for (int x = i - 2; x <= i + 2; x++) {
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+ for (int y = j - 2; y <= j + 2; y++) {
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+ if (x == i && y == j) {
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+ continue;
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+ }
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+
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+ if (x < 0 || y < 0 || x >= s.width || y >= s.height || r[(y * s.width + x) * 4 + 3] <= 128) {
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+ normal += Vector2(x - i, y - j).normalized();
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+ }
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+ }
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+ }
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+
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+ normal.normalize();
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+ r_valid_normals.write[vpc] = normal;
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+ }
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+
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+ if (capture_colors) {
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+ r_valid_colors.write[vpc * 4 + 0] = r[(j * s.width + i) * 4 + 0];
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+ r_valid_colors.write[vpc * 4 + 1] = r[(j * s.width + i) * 4 + 1];
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+ r_valid_colors.write[vpc * 4 + 2] = r[(j * s.width + i) * 4 + 2];
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+ r_valid_colors.write[vpc * 4 + 3] = r[(j * s.width + i) * 4 + 3];
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+ }
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+
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+ vpc++;
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+ }
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ r_valid_positions.resize(vpc);
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+ if (!r_valid_normals.is_empty()) {
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+ r_valid_normals.resize(vpc);
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+ }
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+}
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+
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+Particles2DEditorPlugin::Particles2DEditorPlugin() {
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+ file = memnew(EditorFileDialog);
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+
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+ List<String> ext;
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+ ImageLoader::get_recognized_extensions(&ext);
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+ for (const String &E : ext) {
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+ file->add_filter("*." + E, E.to_upper());
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+ }
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+
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+ file->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
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+ EditorNode::get_singleton()->get_gui_base()->add_child(file);
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+ file->connect("file_selected", callable_mp(this, &Particles2DEditorPlugin::_file_selected));
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+
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+ emission_mask = memnew(ConfirmationDialog);
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+ emission_mask->set_title(TTR("Load Emission Mask"));
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+
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+ VBoxContainer *emvb = memnew(VBoxContainer);
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+ emission_mask->add_child(emvb);
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+
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+ emission_mask_mode = memnew(OptionButton);
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+ emission_mask_mode->add_item(TTR("Solid Pixels"), EMISSION_MODE_SOLID);
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+ emission_mask_mode->add_item(TTR("Border Pixels"), EMISSION_MODE_BORDER);
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+ emission_mask_mode->add_item(TTR("Directed Border Pixels"), EMISSION_MODE_BORDER_DIRECTED);
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+ emvb->add_margin_child(TTR("Emission Mask"), emission_mask_mode);
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+
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+ VBoxContainer *optionsvb = memnew(VBoxContainer);
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+ emvb->add_margin_child(TTR("Options"), optionsvb);
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+
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+ emission_mask_centered = memnew(CheckBox(TTR("Centered")));
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+ optionsvb->add_child(emission_mask_centered);
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+ emission_colors = memnew(CheckBox(TTR("Capture Colors from Pixel")));
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+ optionsvb->add_child(emission_colors);
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+
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+ EditorNode::get_singleton()->get_gui_base()->add_child(emission_mask);
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+
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+ emission_mask->connect(SceneStringName(confirmed), callable_mp(this, &Particles2DEditorPlugin::_generate_emission_mask));
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+}
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+
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+void GPUParticles2DEditorPlugin::_selection_changed() {
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+ List<Node *> selected_nodes = EditorNode::get_singleton()->get_editor_selection()->get_selected_node_list();
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+ if (selected_particles.is_empty() && selected_nodes.is_empty()) {
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+ return;
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+ }
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+
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+ for (GPUParticles2D *particles : selected_particles) {
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+ particles->set_show_visibility_rect(false);
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+ }
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+ selected_particles.clear();
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+
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+ for (Node *node : selected_nodes) {
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+ GPUParticles2D *selected_particle = Object::cast_to<GPUParticles2D>(node);
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+ if (selected_particle) {
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+ selected_particle->set_show_visibility_rect(true);
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+ selected_particles.push_back(selected_particle);
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+ }
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+ }
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+}
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+
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+void GPUParticles2DEditorPlugin::_generate_visibility_rect() {
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+ GPUParticles2D *particles = Object::cast_to<GPUParticles2D>(edited_node);
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+
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+ double time = generate_seconds->get_value();
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+
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+ float running = 0.0;
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+
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+ EditorProgress ep("gen_vrect", TTR("Generating Visibility Rect (Waiting for Particle Simulation)"), int(time));
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+
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+ bool was_emitting = particles->is_emitting();
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+ if (!was_emitting) {
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+ particles->set_emitting(true);
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+ OS::get_singleton()->delay_usec(1000);
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+ }
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+
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+ Rect2 rect;
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+ while (running < time) {
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+ uint64_t ticks = OS::get_singleton()->get_ticks_usec();
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+ ep.step(TTR("Generating..."), int(running), true);
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+ OS::get_singleton()->delay_usec(1000);
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+
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+ Rect2 capture = particles->capture_rect();
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+ if (rect == Rect2()) {
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+ rect = capture;
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+ } else {
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+ rect = rect.merge(capture);
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+ }
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+
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+ running += (OS::get_singleton()->get_ticks_usec() - ticks) / 1000000.0;
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+ }
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+
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+ if (!was_emitting) {
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+ particles->set_emitting(false);
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+ }
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+
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+ EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
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+ undo_redo->create_action(TTR("Generate Visibility Rect"));
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+ undo_redo->add_do_method(particles, "set_visibility_rect", rect);
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+ undo_redo->add_undo_method(particles, "set_visibility_rect", particles->get_visibility_rect());
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+ undo_redo->commit_action();
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+}
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+
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+void GPUParticles2DEditorPlugin::_notification(int p_what) {
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+ switch (p_what) {
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+ case NOTIFICATION_ENTER_TREE: {
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+ EditorNode::get_singleton()->get_editor_selection()->connect("selection_changed", callable_mp(this, &GPUParticles2DEditorPlugin::_selection_changed));
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+ } break;
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+ }
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+}
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+
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+void Particles2DEditorPlugin::_menu_callback(int p_idx) {
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+ if (p_idx == MENU_LOAD_EMISSION_MASK) {
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+ file->popup_file_dialog();
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+ } else {
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+ ParticlesEditorPlugin::_menu_callback(p_idx);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void Particles2DEditorPlugin::_add_menu_options(PopupMenu *p_menu) {
|
|
|
+ p_menu->add_item(TTR("Load Emission Mask"), MENU_LOAD_EMISSION_MASK);
|
|
|
+}
|
|
|
+
|
|
|
+Node *GPUParticles2DEditorPlugin::_convert_particles() {
|
|
|
+ GPUParticles2D *particles = Object::cast_to<GPUParticles2D>(edited_node);
|
|
|
+
|
|
|
+ CPUParticles2D *cpu_particles = memnew(CPUParticles2D);
|
|
|
+ cpu_particles->convert_from_particles(particles);
|
|
|
+ cpu_particles->set_name(particles->get_name());
|
|
|
+ cpu_particles->set_transform(particles->get_transform());
|
|
|
+ cpu_particles->set_visible(particles->is_visible());
|
|
|
+ cpu_particles->set_process_mode(particles->get_process_mode());
|
|
|
+ cpu_particles->set_z_index(particles->get_z_index());
|
|
|
+ return cpu_particles;
|
|
|
+}
|
|
|
+
|
|
|
+void GPUParticles2DEditorPlugin::_generate_emission_mask() {
|
|
|
+ GPUParticles2D *particles = Object::cast_to<GPUParticles2D>(edited_node);
|
|
|
+ Ref<ParticleProcessMaterial> pm = particles->get_process_material();
|
|
|
+ if (pm.is_null()) {
|
|
|
+ EditorNode::get_singleton()->show_warning(TTR("Can only set point into a ParticleProcessMaterial process material"));
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ PackedVector2Array valid_positions;
|
|
|
+ PackedVector2Array valid_normals;
|
|
|
+ PackedByteArray valid_colors;
|
|
|
+ Vector2i image_size;
|
|
|
+ _get_base_emission_mask(valid_positions, valid_normals, valid_colors, image_size);
|
|
|
+
|
|
|
+ ERR_FAIL_COND_MSG(valid_positions.is_empty(), "No pixels with transparency > 128 in image...");
|
|
|
+
|
|
|
+ Vector<uint8_t> texdata;
|
|
|
+
|
|
|
+ int vpc = valid_positions.size();
|
|
|
+ int w = 2048;
|
|
|
+ int h = (vpc / 2048) + 1;
|
|
|
+
|
|
|
+ texdata.resize(w * h * 2 * sizeof(float));
|
|
|
+
|
|
|
+ {
|
|
|
+ Vector2 offset;
|
|
|
+ if (emission_mask_centered->is_pressed()) {
|
|
|
+ offset = Vector2(-image_size.width * 0.5, -image_size.height * 0.5);
|
|
|
+ }
|
|
|
+
|
|
|
+ uint8_t *tw = texdata.ptrw();
|
|
|
+ float *twf = reinterpret_cast<float *>(tw);
|
|
|
+ for (int i = 0; i < vpc; i++) {
|
|
|
+ twf[i * 2 + 0] = valid_positions[i].x + offset.x;
|
|
|
+ twf[i * 2 + 1] = valid_positions[i].y + offset.y;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ Ref<Image> img;
|
|
|
+ img.instantiate();
|
|
|
+ img->set_data(w, h, false, Image::FORMAT_RGF, texdata);
|
|
|
+ pm->set_emission_point_texture(ImageTexture::create_from_image(img));
|
|
|
+ pm->set_emission_point_count(vpc);
|
|
|
+
|
|
|
+ if (emission_colors->is_pressed()) {
|
|
|
+ Vector<uint8_t> colordata;
|
|
|
+ colordata.resize(w * h * 4); //use RG texture
|
|
|
+
|
|
|
+ {
|
|
|
+ uint8_t *tw = colordata.ptrw();
|
|
|
+ for (int i = 0; i < vpc * 4; i++) {
|
|
|
+ tw[i] = valid_colors[i];
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ img.instantiate();
|
|
|
+ img->set_data(w, h, false, Image::FORMAT_RGBA8, colordata);
|
|
|
+ pm->set_emission_color_texture(ImageTexture::create_from_image(img));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (valid_normals.size()) {
|
|
|
+ pm->set_emission_shape(ParticleProcessMaterial::EMISSION_SHAPE_DIRECTED_POINTS);
|
|
|
+
|
|
|
+ Vector<uint8_t> normdata;
|
|
|
+ normdata.resize(w * h * 2 * sizeof(float)); //use RG texture
|
|
|
+
|
|
|
+ {
|
|
|
+ uint8_t *tw = normdata.ptrw();
|
|
|
+ float *twf = reinterpret_cast<float *>(tw);
|
|
|
+ for (int i = 0; i < vpc; i++) {
|
|
|
+ twf[i * 2 + 0] = valid_normals[i].x;
|
|
|
+ twf[i * 2 + 1] = valid_normals[i].y;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ img.instantiate();
|
|
|
+ img->set_data(w, h, false, Image::FORMAT_RGF, normdata);
|
|
|
+ pm->set_emission_normal_texture(ImageTexture::create_from_image(img));
|
|
|
+
|
|
|
+ } else {
|
|
|
+ pm->set_emission_shape(ParticleProcessMaterial::EMISSION_SHAPE_POINTS);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+GPUParticles2DEditorPlugin::GPUParticles2DEditorPlugin() {
|
|
|
+ handled_type = "GPUParticles2D"; // TTR("GPUParticles2D")
|
|
|
+ conversion_option_name = TTR("Convert to CPUParticles2D");
|
|
|
+
|
|
|
+ generate_visibility_rect = memnew(ConfirmationDialog);
|
|
|
+ generate_visibility_rect->set_title(TTR("Generate Visibility Rect"));
|
|
|
+
|
|
|
+ VBoxContainer *genvb = memnew(VBoxContainer);
|
|
|
+ generate_visibility_rect->add_child(genvb);
|
|
|
+
|
|
|
+ generate_seconds = memnew(SpinBox);
|
|
|
+ generate_seconds->set_min(0.1);
|
|
|
+ generate_seconds->set_max(25);
|
|
|
+ generate_seconds->set_value(2);
|
|
|
+ genvb->add_margin_child(TTR("Generation Time (sec):"), generate_seconds);
|
|
|
+
|
|
|
+ EditorNode::get_singleton()->get_gui_base()->add_child(generate_visibility_rect);
|
|
|
+
|
|
|
+ generate_visibility_rect->connect(SceneStringName(confirmed), callable_mp(this, &GPUParticles2DEditorPlugin::_generate_visibility_rect));
|
|
|
+}
|
|
|
+
|
|
|
+Node *CPUParticles2DEditorPlugin::_convert_particles() {
|
|
|
+ CPUParticles2D *particles = Object::cast_to<CPUParticles2D>(edited_node);
|
|
|
+
|
|
|
+ GPUParticles2D *gpu_particles = memnew(GPUParticles2D);
|
|
|
+ gpu_particles->convert_from_particles(particles);
|
|
|
+ gpu_particles->set_name(particles->get_name());
|
|
|
+ gpu_particles->set_transform(particles->get_transform());
|
|
|
+ gpu_particles->set_visible(particles->is_visible());
|
|
|
+ gpu_particles->set_process_mode(particles->get_process_mode());
|
|
|
+ return gpu_particles;
|
|
|
+}
|
|
|
+
|
|
|
+void CPUParticles2DEditorPlugin::_generate_emission_mask() {
|
|
|
+ CPUParticles2D *particles = Object::cast_to<CPUParticles2D>(edited_node);
|
|
|
+
|
|
|
+ PackedVector2Array valid_positions;
|
|
|
+ PackedVector2Array valid_normals;
|
|
|
+ PackedByteArray valid_colors;
|
|
|
+ Vector2i image_size;
|
|
|
+ _get_base_emission_mask(valid_positions, valid_normals, valid_colors, image_size);
|
|
|
+
|
|
|
+ ERR_FAIL_COND_MSG(valid_positions.is_empty(), "No pixels with transparency > 128 in image...");
|
|
|
+
|
|
|
+ int vpc = valid_positions.size();
|
|
|
+ if (emission_colors->is_pressed()) {
|
|
|
+ PackedColorArray pca;
|
|
|
+ pca.resize(vpc);
|
|
|
+ Color *pcaw = pca.ptrw();
|
|
|
+ for (int i = 0; i < vpc; i += 1) {
|
|
|
+ Color color;
|
|
|
+ color.r = valid_colors[i * 4 + 0] / 255.0f;
|
|
|
+ color.g = valid_colors[i * 4 + 1] / 255.0f;
|
|
|
+ color.b = valid_colors[i * 4 + 2] / 255.0f;
|
|
|
+ color.a = valid_colors[i * 4 + 3] / 255.0f;
|
|
|
+ pcaw[i] = color;
|
|
|
+ }
|
|
|
+ particles->set_emission_colors(pca);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (valid_normals.size()) {
|
|
|
+ particles->set_emission_shape(CPUParticles2D::EMISSION_SHAPE_DIRECTED_POINTS);
|
|
|
+ PackedVector2Array norms;
|
|
|
+ norms.resize(valid_normals.size());
|
|
|
+ Vector2 *normsw = norms.ptrw();
|
|
|
+ for (int i = 0; i < valid_normals.size(); i += 1) {
|
|
|
+ normsw[i] = valid_normals[i];
|
|
|
+ }
|
|
|
+ particles->set_emission_normals(norms);
|
|
|
+ } else {
|
|
|
+ particles->set_emission_shape(CPUParticles2D::EMISSION_SHAPE_POINTS);
|
|
|
+ }
|
|
|
+
|
|
|
+ {
|
|
|
+ Vector2 offset;
|
|
|
+ if (emission_mask_centered->is_pressed()) {
|
|
|
+ offset = Vector2(-image_size.width * 0.5, -image_size.height * 0.5);
|
|
|
+ }
|
|
|
+
|
|
|
+ PackedVector2Array points;
|
|
|
+ points.resize(valid_positions.size());
|
|
|
+ Vector2 *pointsw = points.ptrw();
|
|
|
+ for (int i = 0; i < valid_positions.size(); i += 1) {
|
|
|
+ pointsw[i] = valid_positions[i] + offset;
|
|
|
+ }
|
|
|
+ particles->set_emission_points(points);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+CPUParticles2DEditorPlugin::CPUParticles2DEditorPlugin() {
|
|
|
+ handled_type = "CPUParticles2D"; // TTR("CPUParticles2D")
|
|
|
+ conversion_option_name = TTR("Convert to GPUParticles2D");
|
|
|
+}
|
|
|
+
|
|
|
+// 3D /////////////////////////////////////////////
|
|
|
+
|
|
|
+void Particles3DEditorPlugin::_generate_aabb() {
|
|
|
+ double time = generate_seconds->get_value();
|
|
|
+
|
|
|
+ double running = 0.0;
|
|
|
+
|
|
|
+ EditorProgress ep("gen_aabb", TTR("Generating Visibility AABB (Waiting for Particle Simulation)"), int(time));
|
|
|
+
|
|
|
+ bool was_emitting = edited_node->get("emitting");
|
|
|
+ if (!was_emitting) {
|
|
|
+ edited_node->set("emitting", true);
|
|
|
+ OS::get_singleton()->delay_usec(1000);
|
|
|
+ }
|
|
|
+
|
|
|
+ AABB rect;
|
|
|
+ Callable capture_aabb = Callable(edited_node, "capture_aabb");
|
|
|
+
|
|
|
+ while (running < time) {
|
|
|
+ uint64_t ticks = OS::get_singleton()->get_ticks_usec();
|
|
|
+ ep.step(TTR("Generating..."), int(running), true);
|
|
|
+ OS::get_singleton()->delay_usec(1000);
|
|
|
+
|
|
|
+ AABB capture = capture_aabb.call();
|
|
|
+ if (rect == AABB()) {
|
|
|
+ rect = capture;
|
|
|
+ } else {
|
|
|
+ rect.merge_with(capture);
|
|
|
+ }
|
|
|
+
|
|
|
+ running += (OS::get_singleton()->get_ticks_usec() - ticks) / 1000000.0;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!was_emitting) {
|
|
|
+ edited_node->set("emitting", false);
|
|
|
+ }
|
|
|
+
|
|
|
+ EditorUndoRedoManager *ur = EditorUndoRedoManager::get_singleton();
|
|
|
+ ur->create_action(TTR("Generate Visibility AABB"));
|
|
|
+ ur->add_do_property(edited_node, "visibility_aabb", rect);
|
|
|
+ ur->add_undo_property(edited_node, "visibility_aabb", edited_node->get("visibility_aabb"));
|
|
|
+ ur->commit_action();
|
|
|
+}
|
|
|
+
|
|
|
+void Particles3DEditorPlugin::_node_selected(const NodePath &p_path) {
|
|
|
+ Node *sel = get_node(p_path);
|
|
|
+ if (!sel) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!sel->is_class("Node3D")) {
|
|
|
+ EditorNode::get_singleton()->show_warning(vformat(TTR("\"%s\" doesn't inherit from Node3D."), sel->get_name()));
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ MeshInstance3D *mi = Object::cast_to<MeshInstance3D>(sel);
|
|
|
+ if (!mi || mi->get_mesh().is_null()) {
|
|
|
+ EditorNode::get_singleton()->show_warning(vformat(TTR("\"%s\" doesn't contain geometry."), sel->get_name()));
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ geometry = mi->get_mesh()->get_faces();
|
|
|
+ if (geometry.size() == 0) {
|
|
|
+ EditorNode::get_singleton()->show_warning(vformat(TTR("\"%s\" doesn't contain face geometry."), sel->get_name()));
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ Transform3D geom_xform = edited_node->get("global_transform");
|
|
|
+ geom_xform = geom_xform.affine_inverse() * mi->get_global_transform();
|
|
|
+ int gc = geometry.size();
|
|
|
+ Face3 *w = geometry.ptrw();
|
|
|
+
|
|
|
+ for (int i = 0; i < gc; i++) {
|
|
|
+ for (int j = 0; j < 3; j++) {
|
|
|
+ w[i].vertex[j] = geom_xform.xform(w[i].vertex[j]);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ emission_dialog->popup_centered(Size2(300, 130));
|
|
|
+}
|
|
|
+
|
|
|
+void Particles3DEditorPlugin::_menu_callback(int p_idx) {
|
|
|
+ switch (p_idx) {
|
|
|
+ case MENU_OPTION_GENERATE_AABB: {
|
|
|
+ if (need_show_lifetime_dialog(generate_seconds)) {
|
|
|
+ generate_aabb->popup_centered();
|
|
|
+ } else {
|
|
|
+ _generate_aabb();
|
|
|
+ }
|
|
|
+ } break;
|
|
|
+
|
|
|
+ case MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_NODE: {
|
|
|
+ if (_can_generate_points()) {
|
|
|
+ emission_tree_dialog->popup_scenetree_dialog();
|
|
|
+ }
|
|
|
+ } break;
|
|
|
+
|
|
|
+ default: {
|
|
|
+ ParticlesEditorPlugin::_menu_callback(p_idx);
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void Particles3DEditorPlugin::_add_menu_options(PopupMenu *p_menu) {
|
|
|
+ p_menu->add_item(TTR("Generate AABB"), MENU_OPTION_GENERATE_AABB);
|
|
|
+ p_menu->add_item(TTR("Create Emission Points From Node"), MENU_OPTION_CREATE_EMISSION_VOLUME_FROM_NODE);
|
|
|
+}
|
|
|
+
|
|
|
+bool Particles3DEditorPlugin::_generate(Vector<Vector3> &r_points, Vector<Vector3> &r_normals) {
|
|
|
+ bool use_normals = emission_fill->get_selected() == 1;
|
|
|
+
|
|
|
+ if (emission_fill->get_selected() < 2) {
|
|
|
+ float area_accum = 0;
|
|
|
+ RBMap<float, int> triangle_area_map;
|
|
|
+
|
|
|
+ for (int i = 0; i < geometry.size(); i++) {
|
|
|
+ float area = geometry[i].get_area();
|
|
|
+ if (area < CMP_EPSILON) {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ triangle_area_map[area_accum] = i;
|
|
|
+ area_accum += area;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!triangle_area_map.size() || area_accum == 0) {
|
|
|
+ EditorNode::get_singleton()->show_warning(TTR("The geometry's faces don't contain any area."));
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ int emissor_count = emission_amount->get_value();
|
|
|
+
|
|
|
+ for (int i = 0; i < emissor_count; i++) {
|
|
|
+ float areapos = Math::random(0.0f, area_accum);
|
|
|
+
|
|
|
+ RBMap<float, int>::Iterator E = triangle_area_map.find_closest(areapos);
|
|
|
+ ERR_FAIL_COND_V(!E, false);
|
|
|
+ int index = E->value;
|
|
|
+ ERR_FAIL_INDEX_V(index, geometry.size(), false);
|
|
|
+
|
|
|
+ // ok FINALLY get face
|
|
|
+ Face3 face = geometry[index];
|
|
|
+ //now compute some position inside the face...
|
|
|
+
|
|
|
+ Vector3 pos = face.get_random_point_inside();
|
|
|
+
|
|
|
+ r_points.push_back(pos);
|
|
|
+
|
|
|
+ if (use_normals) {
|
|
|
+ Vector3 normal = face.get_plane().normal;
|
|
|
+ r_normals.push_back(normal);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ int gcount = geometry.size();
|
|
|
+
|
|
|
+ if (gcount == 0) {
|
|
|
+ EditorNode::get_singleton()->show_warning(TTR("The geometry doesn't contain any faces."));
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ const Face3 *r = geometry.ptr();
|
|
|
+
|
|
|
+ AABB aabb;
|
|
|
+
|
|
|
+ for (int i = 0; i < gcount; i++) {
|
|
|
+ for (int j = 0; j < 3; j++) {
|
|
|
+ if (i == 0 && j == 0) {
|
|
|
+ aabb.position = r[i].vertex[j];
|
|
|
+ } else {
|
|
|
+ aabb.expand_to(r[i].vertex[j]);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ int emissor_count = emission_amount->get_value();
|
|
|
+
|
|
|
+ for (int i = 0; i < emissor_count; i++) {
|
|
|
+ int attempts = 5;
|
|
|
+
|
|
|
+ for (int j = 0; j < attempts; j++) {
|
|
|
+ Vector3 dir;
|
|
|
+ dir[Math::rand() % 3] = 1.0;
|
|
|
+ Vector3 ofs = (Vector3(1, 1, 1) - dir) * Vector3(Math::randf(), Math::randf(), Math::randf()) * aabb.size + aabb.position;
|
|
|
+
|
|
|
+ Vector3 ofsv = ofs + aabb.size * dir;
|
|
|
+
|
|
|
+ //space it a little
|
|
|
+ ofs -= dir;
|
|
|
+ ofsv += dir;
|
|
|
+
|
|
|
+ float max = -1e7, min = 1e7;
|
|
|
+
|
|
|
+ for (int k = 0; k < gcount; k++) {
|
|
|
+ const Face3 &f3 = r[k];
|
|
|
+
|
|
|
+ Vector3 res;
|
|
|
+ if (f3.intersects_segment(ofs, ofsv, &res)) {
|
|
|
+ res -= ofs;
|
|
|
+ float d = dir.dot(res);
|
|
|
+
|
|
|
+ if (d < min) {
|
|
|
+ min = d;
|
|
|
+ }
|
|
|
+ if (d > max) {
|
|
|
+ max = d;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (max < min) {
|
|
|
+ continue; //lost attempt
|
|
|
+ }
|
|
|
+
|
|
|
+ float val = min + (max - min) * Math::randf();
|
|
|
+
|
|
|
+ Vector3 point = ofs + dir * val;
|
|
|
+
|
|
|
+ r_points.push_back(point);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+Particles3DEditorPlugin::Particles3DEditorPlugin() {
|
|
|
+ generate_aabb = memnew(ConfirmationDialog);
|
|
|
+ generate_aabb->set_title(TTR("Generate Visibility AABB"));
|
|
|
+
|
|
|
+ VBoxContainer *genvb = memnew(VBoxContainer);
|
|
|
+ generate_aabb->add_child(genvb);
|
|
|
+
|
|
|
+ generate_seconds = memnew(SpinBox);
|
|
|
+ generate_seconds->set_min(0.1);
|
|
|
+ generate_seconds->set_max(25);
|
|
|
+ generate_seconds->set_value(2);
|
|
|
+ genvb->add_margin_child(TTR("Generation Time (sec):"), generate_seconds);
|
|
|
+
|
|
|
+ EditorNode::get_singleton()->get_gui_base()->add_child(generate_aabb);
|
|
|
+
|
|
|
+ generate_aabb->connect(SceneStringName(confirmed), callable_mp(this, &Particles3DEditorPlugin::_generate_aabb));
|
|
|
+
|
|
|
+ emission_tree_dialog = memnew(SceneTreeDialog);
|
|
|
+ Vector<StringName> valid_types;
|
|
|
+ valid_types.push_back("MeshInstance3D");
|
|
|
+ emission_tree_dialog->set_valid_types(valid_types);
|
|
|
+ EditorNode::get_singleton()->get_gui_base()->add_child(emission_tree_dialog);
|
|
|
+ emission_tree_dialog->connect("selected", callable_mp(this, &Particles3DEditorPlugin::_node_selected));
|
|
|
+
|
|
|
+ emission_dialog = memnew(ConfirmationDialog);
|
|
|
+ emission_dialog->set_title(TTR("Create Emitter"));
|
|
|
+ EditorNode::get_singleton()->get_gui_base()->add_child(emission_dialog);
|
|
|
+
|
|
|
+ VBoxContainer *emd_vb = memnew(VBoxContainer);
|
|
|
+ emission_dialog->add_child(emd_vb);
|
|
|
+
|
|
|
+ emission_amount = memnew(SpinBox);
|
|
|
+ emission_amount->set_min(1);
|
|
|
+ emission_amount->set_max(100000);
|
|
|
+ emission_amount->set_value(512);
|
|
|
+ emd_vb->add_margin_child(TTR("Emission Points:"), emission_amount);
|
|
|
+
|
|
|
+ emission_fill = memnew(OptionButton);
|
|
|
+ emission_fill->add_item(TTR("Surface Points"));
|
|
|
+ emission_fill->add_item(TTR("Surface Points+Normal (Directed)"));
|
|
|
+ emission_fill->add_item(TTR("Volume"));
|
|
|
+ emd_vb->add_margin_child(TTR("Emission Source:"), emission_fill);
|
|
|
+
|
|
|
+ emission_dialog->set_ok_button_text(TTR("Create"));
|
|
|
+ emission_dialog->connect(SceneStringName(confirmed), callable_mp(this, &Particles3DEditorPlugin::_generate_emission_points));
|
|
|
+}
|
|
|
+
|
|
|
+Node *GPUParticles3DEditorPlugin::_convert_particles() {
|
|
|
+ GPUParticles3D *particles = Object::cast_to<GPUParticles3D>(edited_node);
|
|
|
+
|
|
|
+ CPUParticles3D *cpu_particles = memnew(CPUParticles3D);
|
|
|
+ cpu_particles->convert_from_particles(particles);
|
|
|
+ cpu_particles->set_name(particles->get_name());
|
|
|
+ cpu_particles->set_transform(particles->get_transform());
|
|
|
+ cpu_particles->set_visible(particles->is_visible());
|
|
|
+ cpu_particles->set_process_mode(particles->get_process_mode());
|
|
|
+ return cpu_particles;
|
|
|
+}
|
|
|
+
|
|
|
+bool GPUParticles3DEditorPlugin::_can_generate_points() const {
|
|
|
+ GPUParticles3D *particles = Object::cast_to<GPUParticles3D>(edited_node);
|
|
|
+ Ref<ParticleProcessMaterial> mat = particles->get_process_material();
|
|
|
+ if (mat.is_null()) {
|
|
|
+ EditorNode::get_singleton()->show_warning(TTR("A processor material of type 'ParticleProcessMaterial' is required."));
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+void GPUParticles3DEditorPlugin::_generate_emission_points() {
|
|
|
+ GPUParticles3D *particles = Object::cast_to<GPUParticles3D>(edited_node);
|
|
|
+
|
|
|
+ /// hacer codigo aca
|
|
|
+ Vector<Vector3> points;
|
|
|
+ Vector<Vector3> normals;
|
|
|
+
|
|
|
+ if (!_generate(points, normals)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ int point_count = points.size();
|
|
|
+
|
|
|
+ int w = 2048;
|
|
|
+ int h = (point_count / 2048) + 1;
|
|
|
+
|
|
|
+ Vector<uint8_t> point_img;
|
|
|
+ point_img.resize(w * h * 3 * sizeof(float));
|
|
|
+
|
|
|
+ {
|
|
|
+ uint8_t *iw = point_img.ptrw();
|
|
|
+ memset(iw, 0, w * h * 3 * sizeof(float));
|
|
|
+ const Vector3 *r = points.ptr();
|
|
|
+ float *wf = reinterpret_cast<float *>(iw);
|
|
|
+ for (int i = 0; i < point_count; i++) {
|
|
|
+ wf[i * 3 + 0] = r[i].x;
|
|
|
+ wf[i * 3 + 1] = r[i].y;
|
|
|
+ wf[i * 3 + 2] = r[i].z;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ Ref<Image> image = memnew(Image(w, h, false, Image::FORMAT_RGBF, point_img));
|
|
|
+ Ref<ImageTexture> tex = ImageTexture::create_from_image(image);
|
|
|
+
|
|
|
+ Ref<ParticleProcessMaterial> mat = particles->get_process_material();
|
|
|
+ ERR_FAIL_COND(mat.is_null());
|
|
|
+
|
|
|
+ if (normals.size() > 0) {
|
|
|
+ mat->set_emission_shape(ParticleProcessMaterial::EMISSION_SHAPE_DIRECTED_POINTS);
|
|
|
+ mat->set_emission_point_count(point_count);
|
|
|
+ mat->set_emission_point_texture(tex);
|
|
|
+
|
|
|
+ Vector<uint8_t> point_img2;
|
|
|
+ point_img2.resize(w * h * 3 * sizeof(float));
|
|
|
+
|
|
|
+ {
|
|
|
+ uint8_t *iw = point_img2.ptrw();
|
|
|
+ memset(iw, 0, w * h * 3 * sizeof(float));
|
|
|
+ const Vector3 *r = normals.ptr();
|
|
|
+ float *wf = reinterpret_cast<float *>(iw);
|
|
|
+ for (int i = 0; i < point_count; i++) {
|
|
|
+ wf[i * 3 + 0] = r[i].x;
|
|
|
+ wf[i * 3 + 1] = r[i].y;
|
|
|
+ wf[i * 3 + 2] = r[i].z;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ Ref<Image> image2 = memnew(Image(w, h, false, Image::FORMAT_RGBF, point_img2));
|
|
|
+ mat->set_emission_normal_texture(ImageTexture::create_from_image(image2));
|
|
|
+ } else {
|
|
|
+ mat->set_emission_shape(ParticleProcessMaterial::EMISSION_SHAPE_POINTS);
|
|
|
+ mat->set_emission_point_count(point_count);
|
|
|
+ mat->set_emission_point_texture(tex);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+GPUParticles3DEditorPlugin::GPUParticles3DEditorPlugin() {
|
|
|
+ handled_type = "GPUParticles3D"; // TTR("GPUParticles3D")
|
|
|
+ conversion_option_name = TTR("Convert to CPUParticles3D");
|
|
|
+}
|
|
|
+
|
|
|
+Node *CPUParticles3DEditorPlugin::_convert_particles() {
|
|
|
+ CPUParticles3D *particles = Object::cast_to<CPUParticles3D>(edited_node);
|
|
|
+
|
|
|
+ GPUParticles3D *gpu_particles = memnew(GPUParticles3D);
|
|
|
+ gpu_particles->convert_from_particles(particles);
|
|
|
+ gpu_particles->set_name(particles->get_name());
|
|
|
+ gpu_particles->set_transform(particles->get_transform());
|
|
|
+ gpu_particles->set_visible(particles->is_visible());
|
|
|
+ gpu_particles->set_process_mode(particles->get_process_mode());
|
|
|
+ return gpu_particles;
|
|
|
+}
|
|
|
+
|
|
|
+void CPUParticles3DEditorPlugin::_generate_emission_points() {
|
|
|
+ CPUParticles3D *particles = Object::cast_to<CPUParticles3D>(edited_node);
|
|
|
+
|
|
|
+ /// hacer codigo aca
|
|
|
+ Vector<Vector3> points;
|
|
|
+ Vector<Vector3> normals;
|
|
|
+
|
|
|
+ if (!_generate(points, normals)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (normals.is_empty()) {
|
|
|
+ particles->set_emission_shape(CPUParticles3D::EMISSION_SHAPE_POINTS);
|
|
|
+ particles->set_emission_points(points);
|
|
|
+ } else {
|
|
|
+ particles->set_emission_shape(CPUParticles3D::EMISSION_SHAPE_DIRECTED_POINTS);
|
|
|
+ particles->set_emission_points(points);
|
|
|
+ particles->set_emission_normals(normals);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+CPUParticles3DEditorPlugin::CPUParticles3DEditorPlugin() {
|
|
|
+ handled_type = "CPUParticles3D"; // TTR("CPUParticles3D")
|
|
|
+ conversion_option_name = TTR("Convert to GPUParticles3D");
|
|
|
+}
|
Thaddeus Crews